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    <h2><a href="#brand">Brand</a></h2>
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<h2><a href="#jake">Brand</a></h2>
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<h2><a href="#aron">Brand</a></h2>
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    content for aron
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    <h2><a href="#brand1">Brand</a></h2>
    <span>content for Brand</span>
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<p>“::selection”伪元素是用来匹配突出显示的文本。浏览器默认情况下，选择网站文本是深蓝的背景，白色的字体，
    有的设计要求不使用上图那种浏览器默认的突出文本效果，需要一个与众不同的效果，此时“::selection”伪元素就非常的实用。
    不过在Firefox浏览器还需要添加前缀。</p>
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